WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. nitrification, chemical process, chemical change, chemical action
- usage: the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)
- 2. nitrification, oxidation, oxidization, oxidisation
- usage: the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
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See also: nitrification (Dictionary)